let's develop more stars in education. let's invest in our teachers... ...so they can inspire our students. let's solve this. ♪ (train horn) vo: wherever our trains go, the economy comes to life. norfolk southern. one line, infinite possibilities. >>> a surprise special guest. soledad o'brien join us with a look at what's ahead on "starting point." >> i head on "starting point" this morning, we are, of course, going to talk about if vice presidential showdown. folks trying to figure out how it's going to go tonight. will it be attack? will it be a night of gaffes? will it be stumbling or mumbling? or will it be hard-core fighting between the two? we'll look at that this morning and talk to newark's mayor, cory booker. david axelrod from the obama campaign. and senior adviser and former congressman, reid ribble will join us as well. and also, as former teammates have turned on him, we're looking at the shocking new report from the anti-u.s. doping agency about lance armstrong and the doping scandal there. we'll tell you w